Smaller items are usually measured in milimeters as it is a more accurate measurement.
| MM | Approximate Size In Inches | Exact Size In Inches |
|---|---|---|
| 3mm | 3/32 Inch | 0.11811 Inches |
| 4mm | 1/8 Inch | 0.15748 Inches |
| 5mm | 3/16 Inch | 0.19685 Inches |
| 6mm | Just short of 1/4 Inch | 0.23622 Inches |
Moreover, how wide is 6mm?
6/16 inch
Hereof, is 6mm and 1/4 inch the same? 6mm = almost 1/4 inch. 7mm = almost 9/32 inch (= a bit over 1/4 inch)